Investigation of aggregate size effects on properties of basalt and carbon fibre-reinforced pervious concrete

Pervious concrete structure consists of meso-sized pores due to partial or complete elimination of fine aggregates, resulting in decreased mechanical properties in par with conventional concrete. Meanwhile, fibres were pronounced to improve the mechanical properties of concrete without affecting its...

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Bibliographic Details
Published in:Road materials and pavement design 2022-06, Vol.23 (6), p.1305-1328
Main Authors: Bright Singh, S., Madasamy, Murugan
Format: Article
Language:English
Subjects:
Aggregates
Basalt
basalt fibre
Carbon
Carbon fiber reinforced concretes
Carbon fibers
carbon fibre
Compressive strength
Concrete properties
Concrete structures
Flexural strength
Mechanical properties
permeability
Pervious concrete
porosity
Size effects
size of aggregates
Tensile strength
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Summary:Pervious concrete structure consists of meso-sized pores due to partial or complete elimination of fine aggregates, resulting in decreased mechanical properties in par with conventional concrete. Meanwhile, fibres were pronounced to improve the mechanical properties of concrete without affecting its durability. The main objective of the study is to compare the properties of basalt fibre-reinforced pervious concrete (BFRPC) and carbon fibre-reinforced pervious concrete (CFRPC) with two single-sized aggregates, namely 12.5 and 20 mm. The volume of both the fibres was varied from 0 to 0.4% at intervals of 0.1%. Pervious mix with 12.5 mm sized coarse aggregates and carbon fibre content of 0.2% (12.5CFRPC0.2) was observed as an optimum mix with respect to mechanical strengths as it improved the compressive strength, split tensile strength and flexural strength by 11.59%, 32.70% and 35.32%, respectively, compared with the conventional mix.
ISSN:1468-0629
2164-7402
DOI:10.1080/14680629.2021.1886158